#include<bits/stdc++.h>
using namespace std;
#define N 1000005
char s[N];
int n,a[N];
char b[N];
int m;
signed main()
{
#ifdef xay5421
	freopen("b.in","r",stdin);
#endif
	scanf("%s",s+1);
	n=strlen(s+1);
	int cur=0;
	string ans;
	for(int i=1;i<=n;i++)
	{
		if(s[i]=='+') cur++;
		else
		{
			m++;
			a[m]=cur,cur=0;
			b[m]=s[i];
		}
	}
	a[m+1]=cur;
	assert(a[1]%2==0);
	for(int i=2;i<=m;i++) assert(a[i]%2==1),a[i]--;
	assert(a[m+1]%2==0);
	for(int i=1;i<=m;i++)
	{
		if(i!=1) ans+="+";
		if(a[i]==2)
		{
			if(a[i+1]>=2) a[i+1]-=2,ans+=(string)"((++"+b[i]+")++)";
			else ans+=(string)"(++"+b[i]+")";
		}
		else
		{
			if(a[i+1]>=2) a[i+1]-=2,ans+=(string)"("+b[i]+"++)";
			else ans+=(string)"("+b[i]+")";
		}
	}
	cout<<ans<<endl;
	return 0;
}